52005115505501 has 4 divisors (see below), whose sum is σ = 52005211891872. Its totient is φ = 52005019119132.

The previous prime is 52005115505489. The next prime is 52005115505587. The reversal of 52005115505501 is 10550551150025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52005115505501 is a prime.

It is a super-2 number, since 2×52005115505501² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52005115505591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47379281 + ... + 48464486.

It is an arithmetic number, because the mean of its divisors is an integer number (13001302972968).

Almost surely, 2^{52005115505501} is an apocalyptic number.

It is an amenable number.

52005115505501 is a deficient number, since it is larger than the sum of its proper divisors (96386371).

52005115505501 is an equidigital number, since it uses as much as digits as its factorization.

52005115505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96386370.

The product of its (nonzero) digits is 31250, while the sum is 35.

Adding to 52005115505501 its reverse (10550551150025), we get a palindrome (62555666655526).

The spelling of 52005115505501 in words is "fifty-two trillion, five billion, one hundred fifteen million, five hundred five thousand, five hundred one".